If you have more than 7 hours layover time in Beijing , Don't just stay in the airport, sitting on the cold chairs,playing video games or watching Game of Thrones. A better plan would be to visit the great wall,one of the world wonders that can be seen from out space, the wall was firstly built during seven kingdom period(7 centry BC ), Or walk in the Forbidden City where only the Emperor and his concubines lived in the past. There you can appreciate the Ming and Qing Dynasties' rich culture and prosperity.